Cho a-b=3;a^2-b^2=8.Tính anhân b,a^3-b^3

16. She became extremely successful since she has been in Switzerland. 17. For Ronnie began classes, he has met an average of 1.324 people a month. 18. Petrol is twice as expensive as it is a few years ago. 19. Please contact me with the above address for more information. 20. We arrived early in order to buying our tickets.

Mọi người giúp e với ạ, e sắp làm bài ktra 90p r

sentence below or substitutes for the underlined word or phrase. 6. She has earned millions of dollars _____ 1994. a. since b. for c. in d. at 7. I am not prepared to discuss ______ the matter any further. a. about b. on c. for d. Ø 8. I spent money than you. a. less b. few c. many d. much 9. Their house is about three times as big ours. a. as b. so c. than d. like 10. ____ have you known Jane? a. How far b. How long c. What time d. What day 11. We lived close the sea. a. with b. at c. by d. from 12. The water wasn’t ______ in. a. clean enough to swim b. enough clean to swim c. clean enough for swimming d. enough clean for swimming 13. Martina has loved sports _____she was a child. a. since b. for c. when d. as 14. I can’t afford it______ that price. a. for b. on c. with d. at 15. They are very concerned about their son’s illness. a. worried b. uncomfortable c. unhappy d. dissatisfactory

tìm x : 30 chia hết cho x + 2 và x >5

Viết về môn học yêu thích bằng tiếng Anh: Toán

II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. She has earned millions of dollars _____ 1994. a. since b. for c. in d. at 7. I am not prepared to discuss ______ the matter any further. a. about b. on c. for d. Ø 8. I spent money than you. a. less b. few c. many d. much 9. Their house is about three times as big ours. a. as b. so c. than d. like 10. ____ have you known Jane? a. How far b. How long c. What time d. What day 11. We lived close the sea. a. with b. at c. by d. from 12. The water wasn’t ______ in. a. clean enough to swim b. enough clean to swim c. clean enough for swimming d. enough clean for swimming 13. Martina has loved sports _____she was a child. a. since b. for c. when d. as 14. I can’t afford it______ that price. a. for b. on c. with d. at 15. They are very concerned about their son’s illness. a. worried b. uncomfortable c. unhappy d. dissatisfactory III. Choose the words or phrases that are not correct in Standard English. 16. She became extremely successful since she has been in Switzerland. 17. For Ronnie began classes, he has met an average of 1.324 people a month. 18. Petrol is twice as expensive as it is a few years ago. 19. Please contact me with the above address for more information. 20. We arrived early in order to buying our tickets.

viết bài văn về môn học em yêu thích dịch

hãy rút gọn bt (x-8).(x^2-2x+9)+(x+1)^3

xét sự biến thiên của hàm số y=2x+3/-x+2 trên khoảng (-∞;2)